Summary:Armando Alvarez has lived and worked on his father's ranch in Mexico his entire life. As the ranch encounters financial difficulties, Armando's younger brother Raul, shows up with his new fiancée, Sonia. It seems that Raul's success as an international businessman means the ranch's troubles are over as he pledges to settle all debts. But when Armando falls for Sonia, and Raul's business dealings turn out to be criminal, all hell breaks loose as they find themselves in a war with Mexico's most feared drug lord, the mighty Onza.